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meson: Add wasm build in build scripts

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has_int128_type is set to false on emscripten as of now to avoid errors by
libffi. Tests are disabled on emscripten because they rely on host
features that aren't supported by emscripten (e.g. fork and unix
socket).

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/ad03b3b180335f59e785e930968077bf15c46260.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Kohei Tokunaga 2025-04-28 15:39:07 +09:00 • committed by Paolo Bonzini
parent 5b78d120ff
commit ccc403ed58
6 changed files with 42 additions and 7 deletions
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8
configs/meson/emscripten.txt Normal file
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[built-in options]
c_args = ['-pthread']
cpp_args = ['-pthread']
objc_args = ['-pthread']
# -sPROXY_TO_PTHREAD link time flag always requires -pthread even during
# configuration so explicitly add the flag here.
c_link_args = ['-pthread','-sASYNCIFY=1','-sPROXY_TO_PTHREAD=1','-sFORCE_FILESYSTEM','-sALLOW_TABLE_GROWTH','-sTOTAL_MEMORY=2GB','-sWASM_BIGINT','-sEXPORT_ES6=1','-sASYNCIFY_IMPORTS=ffi_call_js','-sEXPORTED_RUNTIME_METHODS=addFunction,removeFunction,TTY,FS']
cpp_link_args = ['-pthread','-sASYNCIFY=1','-sPROXY_TO_PTHREAD=1','-sFORCE_FILESYSTEM','-sALLOW_TABLE_GROWTH','-sTOTAL_MEMORY=2GB','-sWASM_BIGINT','-sEXPORT_ES6=1','-sASYNCIFY_IMPORTS=ffi_call_js','-sEXPORTED_RUNTIME_METHODS=addFunction,removeFunction,TTY,FS']